/*
 * Copyright (c) 2008-2022, Hazelcast, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hazelcast.wan.impl.merkletree;

/**
 * Readonly view of a Merkle tree
 */
interface MerkleTreeView {
    /**
     * Returns the hash for the node with the given {@code nodeOrder}
     *
     * @param nodeOrder The order of the node
     * @return the hash of the node
     */
    int getNodeHash(int nodeOrder);

    /**
     * Returns the depth of the tree
     *
     * @return the depth of the tree
     */
    int depth();
}
